A body of mass 80kg moving with a velocity of 6m/s hits a stationary body
1 answer:
Answer:
4 m/s
Explanation:
Conservation of momentum , mv
Before collision 80 kg * 6 m/s = 480 kg-m/s
after the collision,
the momentum is the same but the mass is 80+40 kg =120 kg
mv = 480
120 * v = 480
v = 4 m/s
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True: Friction depends on the types of surfaces involved and how hard the surfaces push together.
Answer:I don't see any
Explanation:
Answer:
5558643.69 N
Explanation:
F = Force
v = Velocity = 31.5 knots
Converting to m/s
Power is given by
The forward force is exerted on the ship at this highest attainable speed is 5558643.69 N
if you are going slow, there wont be much of an effect or not any damage.
